deployer.setWebAppDir(webappFolder);
deployer.setDefaultsDescriptor(defaultWebConfig);
deployer.setConfigurationClasses(handlersArr);
deployer.setExtract(true);
deployer.setParentLoaderPriority(true);
deployer.start();
} catch (IOException e) {
log.error("{}", e);
} catch (Exception e) {
log.error("{}", e);
}